The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 19, 2024
Filed:
Aug. 17, 2020
Bijukumar Gopinathan Pillai, Gujarat, IN;
Sima Mirilashvili, Lod, IL;
Yaniv Barda, Rehovot, IL;
Bhavinkumar P. Hamirani, Gujarat, IN;
Bhoopal Meka, Telengana, IN;
Sreedevi Mannam, Telengana, IN;
Bijukumar Gopinathan Pillai, Gujarat, IN;
Sima Mirilashvili, Lod, IL;
Yaniv Barda, Rehovot, IL;
Bhavinkumar P. Hamirani, Gujarat, IN;
Bhoopal Meka, Telengana, IN;
Sreedevi Mannam, Telengana, IN;
ADAMA AGAN LTD., Ashdod, IL;
Abstract
A process for preparing, 1,1,3-trioxo-1,2-benzothiazole-6-carboxamide of formula (I) comprising: (a) oxidizing 2,5-dimethyl-benzenesulfonamide of formula (II) in the presence of an oxidizing agent to receive 2-sulfamoyl-terephthalic acid of formula (III); (b) converting the formed 2-sulfamoyl-terephthalic acid of formula (III) to receive 2-sulfonoyl-terephthalic acid derivative of formula (IV); and (c) reacting the resulting 2-sulfamoyl-terephthalic acid derivative of formula (IV) with ammonia (NH) or ammonium containing-salt; wherein R represents OR′ or CI and R′ represents a branched or non-branched C-Calkyl.